<template> <!-- vue实例外创建 -->
    <el-container class="home-container">
           <el-header>
                <div>
                    <img src="../assets/toubiao.jpeg" alt="">
                    <span>电商后台管理</span>
                </div>
                <el-button type="info" @click="layout">退出</el-button>
           </el-header>
        <el-container>
          <el-aside :width="isCollapse ?'64px' : '200px'">
                <div class="toggle-button" @click="toggleCollapse">|||</div>
            <!--侧边栏-->
        <el-menu
          background-color="#333744"
          text-color="#fff"
          active-text-color="#409EFF"
          unique-opened
          :collapse="isCollapse"
          :collapse-transition="false"
          router 
          :default-active="activePath">

          <!--一级菜单-->
          <el-submenu :index="item.id+''" v-for="item in menuList " :key='item.id'>
          <!--一级菜单模板区域-->
            <template slot="title">
          <!--图标-->
              <i :class="iconsObj[item.id]"></i>
          <!--文本-->
              <span>{{item.authName}}</span>
            </template>
          <!--二级菜单-->
              <el-menu-item :index="'/'+subItem.path" v-for="subItem in item.children " :key='subItem.id' @click="saveNavState('/'+subItem.path)">
          <!--二级菜单模板区域-->
                <template slot="title">
          <!--图标-->
                <i :class="iconsObj[subItem.id]"></i>
                 <!--文本-->
                <span>{{subItem.authName}}</span>
            </template>
              </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
    <el-main>
        <!-- 路由占位符 -->
        <router-view></router-view>
    </el-main>
  </el-container>
 </el-container>
</template>
<script>
export default{
    data() {
        return {
            // 左侧菜单数据
            menuList:[],
            iconsObj:{
                '125':'iconfont icon-user',
                '103':'iconfont icon-tijikongjian',
                '101':'iconfont icon-shangpin',
                '102':'iconfont icon-danju',
                '145':'iconfont icon-baobiao',
                '110':'iconfont icon-tijikongjian',
                '112':'iconfont icon-tijikongjian',
                '111':'iconfont icon-tijikongjian',
                '104':'iconfont icon-tijikongjian',
                '115':'iconfont icon-tijikongjian',
                '121':'iconfont icon-tijikongjian',
                '107':'iconfont icon-tijikongjian',
                '146':'iconfont icon-tijikongjian',
            },
            // 是否折叠
            isCollapse:false,
            activePath:''
        }
    },
    created(){
        // 生命周期
        this.getMenuList()
        this.activePath=window.sessionStorage.getItem('activePath')
    },
    methods:{
        // 退出的方法
        layout(){
            // 清除token
            window.sessionStorage.clear()
            // 编程导航到登录页面
            this.$router.push('/login')
        },
        // 获取所有菜单的数据
        async getMenuList(){
            const {data:res}=await this.$http.get("http://127.0.0.1:8888/api/private/v1/menus");
            if(res.meta.status!==200)return this.$message.error(res.meta.msg)
            this.menuList=res.data
            console.log(this.menuList);
        },
        toggleCollapse(){
            this.isCollapse=!this.isCollapse
        },
        saveNavState(activePath){
            window.sessionStorage.setItem('activePath',activePath)
            this.activePath=activePath
        }
    }
}
</script>

<style scoped>
.home-container{
    height: 100%;
}
.el-header{
    background-color: #373d41;
    display: flex;
    justify-content: space-between;
    color: #fff;
    align-items: center;
    padding-left: 0;
    font-size: 20px;
}
.el-header img{
    width: 60px;
    height: 50px;
    border-radius: 50%;
}
.el-header div{
    display: flex;
    align-items: center;
}
.el-header div span {
    align-self: 20px;
}
.el-aside{
    background-color: #333744;
}
.el-main{
    background-color: #eaedf1;
}
.iconfont{
    margin-right: 10px;
}
.toggle-button{
    background-color: #4a5064;
    font-size: 10px;
    line-height: 24px;
    color: #fff;
    text-align: center;
    letter-spacing: 0.2em;
    cursor:pointer;
}

</style>